﻿<Page
    x:Name="PageRoot"
    x:Class="IntegrationExample.GroupedItemsPage"
    DataContext="{Binding DefaultViewModel, RelativeSource={RelativeSource Self}}"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:data="using:IntegrationExample.Data"
    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
    mc:Ignorable="d">

    <Page.Resources>
        <x:String x:Key="ChevronGlyph">&#xE26B;</x:String>
        <!--
            Collection of grouped items displayed by this page, bound to a subset
            of the complete item list because items in groups cannot be virtualized
        -->
        <CollectionViewSource x:Name="GroupedItemsViewSource"
                              Source="{Binding Groups}"
                              IsSourceGrouped="true"
                              ItemsPath="Items"
                              d:Source="{Binding Groups, Source={d:DesignInstance data:SampleDataSource, IsDesignTimeCreatable=True}}"/>
    </Page.Resources>

    <!--
        This grid acts as a root panel for the page that defines two rows:
        * Row 0 contains the back button and page title
        * Row 1 contains the rest of the page layout
    -->
    <Grid Background="{ThemeResource ApplicationPageBackgroundThemeBrush}">
        <Grid.ChildrenTransitions>
            <TransitionCollection>
                <EntranceThemeTransition/>
            </TransitionCollection>
        </Grid.ChildrenTransitions>
        <Grid.RowDefinitions>
            <RowDefinition Height="140"/>
            <RowDefinition Height="*"/>
        </Grid.RowDefinitions>

        <!-- Horizontal scrolling grid -->
        <GridView x:Name="ItemGridView"
                  AutomationProperties.AutomationId="ItemGridView"
                  AutomationProperties.Name="Grouped Items"
                  Grid.RowSpan="2"
                  Padding="116,137,40,46"
                  ItemsSource="{Binding Source={StaticResource GroupedItemsViewSource}}"
                  SelectionMode="None"
                  IsSwipeEnabled="false"
                  IsItemClickEnabled="True"
                  ItemClick="ItemView_ItemClick">
            <GridView.ItemTemplate>
                <DataTemplate>
                    <Grid HorizontalAlignment="Left" Width="250" Height="250">
                        <Border Background="{ThemeResource ListViewItemPlaceholderBackgroundThemeBrush}">
                            <Image Source="{Binding Thumbnail, Converter={StaticResource ThumbnailValueConverter}}" Stretch="UniformToFill" AutomationProperties.Name="{Binding Title}"/>
                        </Border>
                        <StackPanel VerticalAlignment="Bottom" Background="{ThemeResource ListViewItemOverlayBackgroundThemeBrush}">
                            <TextBlock Text="{Binding DisplayName}" Foreground="{ThemeResource ListViewItemOverlayForegroundThemeBrush}" Style="{StaticResource TitleTextBlockStyle}" Height="30" Margin="15,0,15,0"/>
                            <TextBlock Text="{Binding Converter={StaticResource ContactEmailSelectionValueConverter}}" Foreground="{ThemeResource ListViewItemOverlaySecondaryForegroundThemeBrush}" Style="{StaticResource CaptionTextBlockStyle}" TextWrapping="NoWrap" Margin="15,0,15,10"/>
                            <TextBlock Text="{Binding Converter={StaticResource ContactPhoneSelectionValueConverter}}" Foreground="{ThemeResource ListViewItemOverlaySecondaryForegroundThemeBrush}" Style="{StaticResource CaptionTextBlockStyle}" TextWrapping="NoWrap" Margin="15,0,15,10"/>
                        </StackPanel>
                    </Grid>
                </DataTemplate>
            </GridView.ItemTemplate>
            <GridView.ItemsPanel>
                <ItemsPanelTemplate>
                    <ItemsWrapGrid GroupPadding="0,0,70,0"/>
                </ItemsPanelTemplate>
            </GridView.ItemsPanel>
            <GridView.GroupStyle>
                <GroupStyle>
                    <GroupStyle.HeaderTemplate>
                        <DataTemplate>
                            <Grid Margin="1,0,0,6">
                                <!--Click="Header_Click"-->
                                <Button Foreground="{ThemeResource ApplicationHeaderForegroundThemeBrush}"
                                    AutomationProperties.Name="Group Title"
                                    Style="{StaticResource TextBlockButtonStyle}" >
                                    <StackPanel Orientation="Horizontal">
                                        <TextBlock Text="{Binding Key}" Margin="3,-7,10,10" Style="{StaticResource SubheaderTextBlockStyle}" TextWrapping="NoWrap" />
                                        <TextBlock Text="{StaticResource ChevronGlyph}" FontFamily="Segoe UI Symbol" Margin="0,-7,0,10" Style="{StaticResource SubheaderTextBlockStyle}" TextWrapping="NoWrap" />
                                    </StackPanel>
                                </Button>
                            </Grid>
                        </DataTemplate>
                    </GroupStyle.HeaderTemplate>
                </GroupStyle>
            </GridView.GroupStyle>
        </GridView>

        <!-- Back button and page title -->
        <Grid>
            <Grid.ColumnDefinitions>
                <ColumnDefinition Width="120"/>
                <ColumnDefinition Width="*"/>
            </Grid.ColumnDefinitions>
            <Button x:Name="BackButton" Margin="39,59,39,0" Command="{Binding NavigationHelper.GoBackCommand, ElementName=PageRoot}"
                        Style="{StaticResource NavigationBackButtonNormalStyle}"
                        VerticalAlignment="Top"
                        AutomationProperties.Name="Back"
                        AutomationProperties.AutomationId="BackButton"
                        AutomationProperties.ItemType="Navigation Button"/>
            <TextBlock x:Name="PageTitle" Text="{StaticResource AppName}" Style="{StaticResource HeaderTextBlockStyle}" Grid.Column="1" 
                        IsHitTestVisible="false" TextWrapping="NoWrap" VerticalAlignment="Bottom" Margin="0,0,30,40"/>
        </Grid>
    </Grid>
    <Page.BottomAppBar>
        <CommandBar>
            <AppBarButton Icon="Add" Label="Add Contact" Click="HandleAddContactClick"/>
        </CommandBar>
    </Page.BottomAppBar>
</Page>
